package ch1;

public class Person implements Comparable<Person> {
	private String name;
	private int age;
	private final String sex;

	public Person(String name, int age, String sex) {

		this.name = name;
		this.age = age;
		this.sex = sex;
	}

	public Person(String name, String sex) {

		this.name = name;
		this.sex = sex;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getSex() {
		return sex;
	}

	@Override
	public String toString() {
		return "Person [姓名=" + name + ", 年龄=" + age + ", 性别=" + sex + "]";
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + age;
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Person other = (Person) obj;
		// System.out.println("现在" + this + " 和 " + other + "做比较。。。");

		if (age != other.age)
			return false;
		if (name == null) {
			if (other.name != null)
				return false;
		} else if (!name.equals(other.name))
			return false;
		return true;
	}

	@Override
	public int compareTo(Person o) {
		return this.age - o.age;
		// return this.name.compareTo(o.name);
	}

	// 重写Equals,两个对象 姓名和年龄一样，则认为是相等的

	// @Override
	// public boolean equals(Object obj) {
	// if (obj instanceof Person) {
	// Person p = (Person) obj;
	// return this.name.equals(p.name) && this.age == p.age;
	// }
	// return false;
	// }
	//
	// @Override
	// public int hashCode() {
	// return this.name.hashCode() * age;
	// }
}
